Cordless telephone system



FIG. 1 is an isometric view of the cordless telephone system showing my new design;

FIG. 2 is a top plan view of the cordless telephone;

FIG. 3 is a front view of the cordless telephone;

FIG. 4 is a rear end view of the cordless telephone;

FIG. 5 is a left side view of the cordless telephone; and

FIG. 6 is a right side view of the cordless telephone. 

The ornamental design for a cordless telephone system, as shown. 